summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/net/ip.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index 8fdd58ce580d..f9a7125b4bda 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -429,6 +429,18 @@ static inline void ip_fib_metrics_put(struct dst_metrics *fib_metrics)
kfree(fib_metrics);
}
+/* ipv4 and ipv6 both use refcounted metrics if it is not the default */
+static inline
+void ip_dst_init_metrics(struct dst_entry *dst, struct dst_metrics *fib_metrics)
+{
+ dst_init_metrics(dst, fib_metrics->metrics, true);
+
+ if (fib_metrics != &dst_default_metrics) {
+ dst->_metrics |= DST_METRICS_REFCOUNTED;
+ refcount_inc(&fib_metrics->refcnt);
+ }
+}
+
u32 ip_idents_reserve(u32 hash, int segs);
void __ip_select_ident(struct net *net, struct iphdr *iph, int segs);